Finding the Fourth Proportional to 798,545.33, 1,102,489.98 and 508,320.71
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Solution
The fourth proportional to 798,545.33, 1,102,489.98 and 508,320.71 is: 701,799.22
Step by Step Solution
- Step 1: Write the proportion equation
798,545.33 : 1,102,489.98 = 508,320.71 : x - Step 2: Convert to fraction form
798,545.33/1,102,489.98 = 508,320.71/x - Step 3: Cross multiply
798,545.33x = 1,102,489.98 × 508,320.71 - Step 4: Simplify right side
798,545.33x = 560,418,490,144.20 - Step 5: Solve for x
x = 560,418,490,144.20/798,545.33 - Step 6: Final answer
x = 701,799.22
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.